Lonsdor K518ISE Jeep Grand Cherokee 2015 Smart Key programming including pin code reading guide goes below:
5-button Panic smart key
Step 1: Read Pin Code
Connect K518 host with vehicle via OBD socket
Turn ignition to ON position
Select Immobilizer->Jeep->Grand Cherokee-> 2014 up->Read Pin Code-> Read IMMO data (OBD)
Turn ignition off and turn on emergency indicator
Read immo data and then save data
Immo data backup success.
Select Load immo data & read Pin code
Lonsdor K518 read Grand Cherokee pin code through immo data success
Step 2: Program smart key
Select Grand Cherokee->Type 2 (CAN)-> Add smart key
Turn ignition off and then turn on emergency indicator
Enter 4-digit pin code just read to access
Attach the smart key to be programmed close to the Start button and press Unlock button within 30 sec
Follow same procedure to add another smart key with Lonsdor K518ISE.
Test thew new smart keys. Working ok.